Softening Resin Filter Cation Ion Exchange 4.5" x 20" Big Blue Size
The CAT-4520 softening cation resin filter is used for the reduction of hard water using an ion exchange process.
The CAT-4520 water softening filter cartridge reduces hardness minerals and scale deposits in low flow rate residential and commercial applications. It is made of NSF Certified cation softening resin. The CAT-4520 includes polypropylene pre- and post-filters to reduce sediment and the possibility of water bypassing the resin.
This water softening filter cartridge is used for treatment of residential and commercial water.CAT-4520 Softening Filter Cartridge Specs:
- 5,889 Max grain capacity
- NSF Certified Cation Softening Media.
- Refillable / Reusable
- Max Flow Rate: 2 GPM
- Made from NSF Certified materials
- Fits 4.5" x 20" whole house water filtration systems including Big Blue Housings
- End Caps: High impact
- Body: Polystyrene
- Gasket: Buna-N
- Size: 20" x 4.5"
- Max Temp: 100 F
Replace or regenerate every 5,889 grains usage (approx 2-3 months of regular use) or when softening performance is reduced. Life capacity depends on hardness and water quality.